Science and Technology of the 1930s

Chocolate Chip Cookie

Jan 1, 1930

The Chocolate Chip Cookie was invented accidentally by Ruth Graves Wakefield. She owned the Toll House inn, in Whitman, Massachusetts.

Differential Anlayzer

Feb 24, 1930

Vannevar Bush at MIT in Boston is the inventor of the Differential Analyzer. This is a computer designed to solve equations by integration, using wheel-an-disc mechanisms.

Polygraph Machine

Oct 10, 1930

This machine ran on batteries, and had a gauge with a needle instead of writitng on paper.

First Color Sound Cartoon

Oct 28, 1930

Ub Iwerks produced the first Color Sound Cartoon in 1930, a Flip the Frog cartoon named: "Fiddlesticks"

Electron Microscope

Mar 31, 1931

Max Knott and Ernst Ruska co-invented this. It uses an electron beam to alluminate whatever it's looking at and produce a magnified image.

Desk Phone

Aug 29, 1932

To use the desk phone you had to push different buttons depending on the time of day.

FM Broadcasting

May 26, 1933

FM Broadcasting was invented by Edwin H. Armstrong. It gives listeners a wider range or stations to choose from.

Turnstile Antenna

Dec 16, 1936

This was invented by George Brown. It was used for TVs and radios.

Jet Engine

Jun 25, 1937

The Jet Engine was co-invented by Hans von Ohain and Sir Frank Whittle.

Photocopier

Aug 24, 1938

The Photocopier was invented by Chester Carlson. Carlson invented this because of his lack of work.

Volkswagen Beetle is produced

Oct 28, 1938

The Volkswagen Beetle is one of the best selling automobiles ever produced. In the late 1930s it was created by Ferdinand Porsche and his chief designer Erwin Komenda.

Nuclear Fission discovered

Oct 28, 1939

Otto Hahn, Lise Meitner and Fritz Strassman make the discovery in 1939.This is the process in which the nucleus of a particle breaks down into smaller parts. This creates a vast amount of energy.